成功的关键是专注于用户体验，而不仅仅是技术。

The key to performance is elegance, not battalions of special cases.

So happiness is the most popular word we have heard through the past two years. Happiness is not only related to personal experiences and personal values, but also, it's about the environment.

The more you do, the more you learn. The more you learn, the more you can do.

Stay hungry, stay foolish.

最激进的艺术往往是最微妙的。